#include <54func.h>
int main(int argc, char *argv[])
{
    if(fork()){
        printf("I am parent! pid = %d, ppid = %d\n",
               getpid(), getppid());
        //sleep(1);
        wait(NULL);
    }
    else{
        printf("I am child! pid = %d, ppid = %d\n",
               getpid(), getppid());

    }
    return 0;
}

